| Acronym | Definition |
|---|
| SMMS | Sendmail Mobile Message Server |
| SMMS | Sociedad Mexicana de Mecánica de Suelos (Mexico) |
| SMMS | Spatial Metadata Management System (oceanographic research) |
| SMMS | Social Media Management System |
| SMMS | SAR Mission Management System (Canada) |
| SMMS | Sudbrook Magnet Middle School (Baltimore, MD) |
| SMMS | South Mountain Middle School (Allentown, PA) |
| SMMS | Solution Monitoring and Management Services |
| SMMS | Scofield Magnet Middle School (Stamford, CT) |
| SMMS | Soldiers Memorial Middle School |
| SMMS | South Miami Middle School (Florida) |
| SMMS | Sprint Managed Mobility Service |
| SMMS | Support Maintenance Management System |
| SMMS | Shipbuilding Material Management System |
| SMMS | Service Manager Management System |
| SMMS | Ships Maintenance Management System |
| SMMS | Steve McNabb Memorial Scholarship |
| SMMS | St. Martin Middle School (Mississippi) |